#!/usr/bin/env python # coding=utf-8 # Copyright 2021 The HuggingFace Inc. team. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """ Fine-tuning a 🤗 Transformers model on token classification tasks (NER, POS, CHUNKS) relying on the accelerate library without using a Trainer. """ import argparse import json import logging import math import os import random from pathlib import Path import datasets import evaluate import torch from accelerate import Accelerator from accelerate.logging import get_logger from accelerate.utils import set_seed from datasets import ClassLabel, load_dataset from huggingface_hub import Repository, create_repo from torch.utils.data import DataLoader from tqdm.auto import tqdm import transformers from transformers import ( CONFIG_MAPPING, MODEL_MAPPING, AutoConfig, AutoModelForTokenClassification, AutoTokenizer, DataCollatorForTokenClassification, PretrainedConfig, SchedulerType, default_data_collator, get_scheduler, ) from transformers.utils import check_min_version, get_full_repo_name, send_example_telemetry from transformers.utils.versions import require_version # Will error if the minimal version of Transformers is not installed. Remove at your own risks. check_min_version("4.28.0") logger = get_logger(__name__) require_version("datasets>=1.8.0", "To fix: pip install -r examples/pytorch/token-classification/requirements.txt") # You should update this to your particular problem to have better documentation of `model_type` MODEL_CONFIG_CLASSES = list(MODEL_MAPPING.keys()) MODEL_TYPES = tuple(conf.model_type for conf in MODEL_CONFIG_CLASSES) def parse_args(): parser = argparse.ArgumentParser( description="Finetune a transformers model on a text classification task (NER) with accelerate library" ) parser.add_argument( "--dataset_name", type=str, default=None, help="The name of the dataset to use (via the datasets library).", ) parser.add_argument( "--dataset_config_name", type=str, default=None, help="The configuration name of the dataset to use (via the datasets library).", ) parser.add_argument( "--train_file", type=str, default=None, help="A csv or a json file containing the training data." ) parser.add_argument( "--validation_file", type=str, default=None, help="A csv or a json file containing the validation data." ) parser.add_argument( "--text_column_name", type=str, default=None, help="The column name of text to input in the file (a csv or JSON file).", ) parser.add_argument( "--label_column_name", type=str, default=None, help="The column name of label to input in the file (a csv or JSON file).", ) parser.add_argument( "--max_length", type=int, default=128, help=( "The maximum total input sequence length after tokenization. Sequences longer than this will be truncated," " sequences shorter will be padded if `--pad_to_max_length` is passed." ), ) parser.add_argument( "--pad_to_max_length", action="store_true", help="If passed, pad all samples to `max_length`. Otherwise, dynamic padding is used.", ) parser.add_argument( "--model_name_or_path", type=str, help="Path to pretrained model or model identifier from huggingface.co/models.", required=False, ) parser.add_argument( "--config_name", type=str, default=None, help="Pretrained config name or path if not the same as model_name", ) parser.add_argument( "--tokenizer_name", type=str, default=None, help="Pretrained tokenizer name or path if not the same as model_name", ) parser.add_argument( "--per_device_train_batch_size", type=int, default=8, help="Batch size (per device) for the training dataloader.", ) parser.add_argument( "--per_device_eval_batch_size", type=int, default=8, help="Batch size (per device) for the evaluation dataloader.", ) parser.add_argument( "--learning_rate", type=float, default=5e-5, help="Initial learning rate (after the potential warmup period) to use.", ) parser.add_argument("--weight_decay", type=float, default=0.0, help="Weight decay to use.") parser.add_argument("--num_train_epochs", type=int, default=3, help="Total number of training epochs to perform.") parser.add_argument( "--max_train_steps", type=int, default=None, help="Total number of training steps to perform. If provided, overrides num_train_epochs.", ) parser.add_argument( "--gradient_accumulation_steps", type=int, default=1, help="Number of updates steps to accumulate before performing a backward/update pass.", ) parser.add_argument( "--lr_scheduler_type", type=SchedulerType, default="linear", help="The scheduler type to use.", choices=["linear", "cosine", "cosine_with_restarts", "polynomial", "constant", "constant_with_warmup"], ) parser.add_argument( "--num_warmup_steps", type=int, default=0, help="Number of steps for the warmup in the lr scheduler." ) parser.add_argument("--output_dir", type=str, default=None, help="Where to store the final model.") parser.add_argument("--seed", type=int, default=None, help="A seed for reproducible training.") parser.add_argument( "--model_type", type=str, default=None, help="Model type to use if training from scratch.", choices=MODEL_TYPES, ) parser.add_argument( "--label_all_tokens", action="store_true", help="Setting labels of all special tokens to -100 and thus PyTorch will ignore them.", ) parser.add_argument( "--return_entity_level_metrics", action="store_true", help="Indication whether entity level metrics are to be returner.", ) parser.add_argument( "--task_name", type=str, default="ner", choices=["ner", "pos", "chunk"], help="The name of the task.", ) parser.add_argument( "--debug", action="store_true", help="Activate debug mode and run training only with a subset of data.", ) parser.add_argument("--push_to_hub", action="store_true", help="Whether or not to push the model to the Hub.") parser.add_argument( "--hub_model_id", type=str, help="The name of the repository to keep in sync with the local `output_dir`." ) parser.add_argument("--hub_token", type=str, help="The token to use to push to the Model Hub.") parser.add_argument( "--checkpointing_steps", type=str, default=None, help="Whether the various states should be saved at the end of every n steps, or 'epoch' for each epoch.", ) parser.add_argument( "--resume_from_checkpoint", type=str, default=None, help="If the training should continue from a checkpoint folder.", ) parser.add_argument( "--with_tracking", action="store_true", help="Whether to enable experiment trackers for logging.", ) parser.add_argument( "--report_to", type=str, default="all", help=( 'The integration to report the results and logs to. Supported platforms are `"tensorboard"`,' ' `"wandb"`, `"comet_ml"` and `"clearml"`. Use `"all"` (default) to report to all integrations.' "Only applicable when `--with_tracking` is passed." ), ) parser.add_argument( "--ignore_mismatched_sizes", action="store_true", help="Whether or not to enable to load a pretrained model whose head dimensions are different.", ) args = parser.parse_args() # Sanity checks if args.task_name is None and args.train_file is None and args.validation_file is None: raise ValueError("Need either a task name or a training/validation file.") else: if args.train_file is not None: extension = args.train_file.split(".")[-1] assert extension in ["csv", "json"], "`train_file` should be a csv or a json file." if args.validation_file is not None: extension = args.validation_file.split(".")[-1] assert extension in ["csv", "json"], "`validation_file` should be a csv or a json file." if args.push_to_hub: assert args.output_dir is not None, "Need an `output_dir` to create a repo when `--push_to_hub` is passed." return args def main(): args = parse_args() # Sending telemetry. Tracking the example usage helps us better allocate resources to maintain them. The # information sent is the one passed as arguments along with your Python/PyTorch versions. send_example_telemetry("run_ner_no_trainer", args) # Initialize the accelerator. We will let the accelerator handle device placement for us in this example. # If we're using tracking, we also need to initialize it here and it will by default pick up all supported trackers # in the environment accelerator = ( Accelerator(log_with=args.report_to, logging_dir=args.output_dir) if args.with_tracking else Accelerator() ) # Make one log on every process with the configuration for debugging. logging.basicConfig( format="%(asctime)s - %(levelname)s - %(name)s - %(message)s", datefmt="%m/%d/%Y %H:%M:%S", level=logging.INFO, ) logger.info(accelerator.state, main_process_only=False) if accelerator.is_local_main_process: datasets.utils.logging.set_verbosity_warning() transformers.utils.logging.set_verbosity_info() else: datasets.utils.logging.set_verbosity_error() transformers.utils.logging.set_verbosity_error() # If passed along, set the training seed now. if args.seed is not None: set_seed(args.seed) # Handle the repository creation if accelerator.is_main_process: if args.push_to_hub: if args.hub_model_id is None: repo_name = get_full_repo_name(Path(args.output_dir).name, token=args.hub_token) else: repo_name = args.hub_model_id create_repo(repo_name, exist_ok=True, token=args.hub_token) repo = Repository(args.output_dir, clone_from=repo_name, token=args.hub_token) with open(os.path.join(args.output_dir, ".gitignore"), "w+") as gitignore: if "step_*" not in gitignore: gitignore.write("step_*\n") if "epoch_*" not in gitignore: gitignore.write("epoch_*\n") elif args.output_dir is not None: os.makedirs(args.output_dir, exist_ok=True) accelerator.wait_for_everyone() # Get the datasets: you can either provide your own CSV/JSON/TXT training and evaluation files (see below) # or just provide the name of one of the public datasets for token classification task available on the hub at https://huggingface.co/datasets/ # (the dataset will be downloaded automatically from the datasets Hub). # # For CSV/JSON files, this script will use the column called 'tokens' or the first column if no column called # 'tokens' is found. You can easily tweak this behavior (see below). # # In distributed training, the load_dataset function guarantee that only one local process can concurrently # download the dataset. if args.dataset_name is not None: # Downloading and loading a dataset from the hub. raw_datasets = load_dataset(args.dataset_name, args.dataset_config_name) else: data_files = {} if args.train_file is not None: data_files["train"] = args.train_file if args.validation_file is not None: data_files["validation"] = args.validation_file extension = args.train_file.split(".")[-1] raw_datasets = load_dataset(extension, data_files=data_files) # Trim a number of training examples if args.debug: for split in raw_datasets.keys(): raw_datasets[split] = raw_datasets[split].select(range(100)) # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at # https://huggingface.co/docs/datasets/loading_datasets.html. if raw_datasets["train"] is not None: column_names = raw_datasets["train"].column_names features = raw_datasets["train"].features else: column_names = raw_datasets["validation"].column_names features = raw_datasets["validation"].features if args.text_column_name is not None: text_column_name = args.text_column_name elif "tokens" in column_names: text_column_name = "tokens" else: text_column_name = column_names[0] if args.label_column_name is not None: label_column_name = args.label_column_name elif f"{args.task_name}_tags" in column_names: label_column_name = f"{args.task_name}_tags" else: label_column_name = column_names[1] # In the event the labels are not a `Sequence[ClassLabel]`, we will need to go through the dataset to get the # unique labels. def get_label_list(labels): unique_labels = set() for label in labels: unique_labels = unique_labels | set(label) label_list = list(unique_labels) label_list.sort() return label_list # If the labels are of type ClassLabel, they are already integers and we have the map stored somewhere. # Otherwise, we have to get the list of labels manually. labels_are_int = isinstance(features[label_column_name].feature, ClassLabel) if labels_are_int: label_list = features[label_column_name].feature.names label_to_id = {i: i for i in range(len(label_list))} else: label_list = get_label_list(raw_datasets["train"][label_column_name]) label_to_id = {l: i for i, l in enumerate(label_list)} num_labels = len(label_list) # Load pretrained model and tokenizer # # In distributed training, the .from_pretrained methods guarantee that only one local process can concurrently # download model & vocab. if args.config_name: config = AutoConfig.from_pretrained(args.config_name, num_labels=num_labels) elif args.model_name_or_path: config = AutoConfig.from_pretrained(args.model_name_or_path, num_labels=num_labels) else: config = CONFIG_MAPPING[args.model_type]() logger.warning("You are instantiating a new config instance from scratch.") tokenizer_name_or_path = args.tokenizer_name if args.tokenizer_name else args.model_name_or_path if not tokenizer_name_or_path: raise ValueError( "You are instantiating a new tokenizer from scratch. This is not supported by this script." "You can do it from another script, save it, and load it from here, using --tokenizer_name." ) if config.model_type in {"bloom", "gpt2", "roberta"}: tokenizer = AutoTokenizer.from_pretrained(tokenizer_name_or_path, use_fast=True, add_prefix_space=True) else: tokenizer = AutoTokenizer.from_pretrained(tokenizer_name_or_path, use_fast=True) if args.model_name_or_path: model = AutoModelForTokenClassification.from_pretrained( args.model_name_or_path, from_tf=bool(".ckpt" in args.model_name_or_path), config=config, ignore_mismatched_sizes=args.ignore_mismatched_sizes, ) else: logger.info("Training new model from scratch") model = AutoModelForTokenClassification.from_config(config) # We resize the embeddings only when necessary to avoid index errors. If you are creating a model from scratch # on a small vocab and want a smaller embedding size, remove this test. embedding_size = model.get_input_embeddings().weight.shape[0] if len(tokenizer) > embedding_size: embedding_size = model.get_input_embeddings().weight.shape[0] if len(tokenizer) > embedding_size: model.resize_token_embeddings(len(tokenizer)) # Model has labels -> use them. if model.config.label2id != PretrainedConfig(num_labels=num_labels).label2id: if sorted(model.config.label2id.keys()) == sorted(label_list): # Reorganize `label_list` to match the ordering of the model. if labels_are_int: label_to_id = {i: int(model.config.label2id[l]) for i, l in enumerate(label_list)} label_list = [model.config.id2label[i] for i in range(num_labels)] else: label_list = [model.config.id2label[i] for i in range(num_labels)] label_to_id = {l: i for i, l in enumerate(label_list)} else: logger.warning( "Your model seems to have been trained with labels, but they don't match the dataset: ", f"model labels: {sorted(model.config.label2id.keys())}, dataset labels:" f" {sorted(label_list)}.\nIgnoring the model labels as a result.", ) # Set the correspondences label/ID inside the model config model.config.label2id = {l: i for i, l in enumerate(label_list)} model.config.id2label = dict(enumerate(label_list)) # Map that sends B-Xxx label to its I-Xxx counterpart b_to_i_label = [] for idx, label in enumerate(label_list): if label.startswith("B-") and label.replace("B-", "I-") in label_list: b_to_i_label.append(label_list.index(label.replace("B-", "I-"))) else: b_to_i_label.append(idx) # Preprocessing the datasets. # First we tokenize all the texts. padding = "max_length" if args.pad_to_max_length else False # Tokenize all texts and align the labels with them. def tokenize_and_align_labels(examples): tokenized_inputs = tokenizer( examples[text_column_name], max_length=args.max_length, padding=padding, truncation=True, # We use this argument because the texts in our dataset are lists of words (with a label for each word). is_split_into_words=True, ) labels = [] for i, label in enumerate(examples[label_column_name]): word_ids = tokenized_inputs.word_ids(batch_index=i) previous_word_idx = None label_ids = [] for word_idx in word_ids: # Special tokens have a word id that is None. We set the label to -100 so they are automatically # ignored in the loss function. if word_idx is None: label_ids.append(-100) # We set the label for the first token of each word. elif word_idx != previous_word_idx: label_ids.append(label_to_id[label[word_idx]]) # For the other tokens in a word, we set the label to either the current label or -100, depending on # the label_all_tokens flag. else: if args.label_all_tokens: label_ids.append(b_to_i_label[label_to_id[label[word_idx]]]) else: label_ids.append(-100) previous_word_idx = word_idx labels.append(label_ids) tokenized_inputs["labels"] = labels return tokenized_inputs with accelerator.main_process_first(): processed_raw_datasets = raw_datasets.map( tokenize_and_align_labels, batched=True, remove_columns=raw_datasets["train"].column_names, desc="Running tokenizer on dataset", ) train_dataset = processed_raw_datasets["train"] eval_dataset = processed_raw_datasets["validation"] # Log a few random samples from the training set: for index in random.sample(range(len(train_dataset)), 3): logger.info(f"Sample {index} of the training set: {train_dataset[index]}.") # DataLoaders creation: if args.pad_to_max_length: # If padding was already done ot max length, we use the default data collator that will just convert everything # to tensors. data_collator = default_data_collator else: # Otherwise, `DataCollatorForTokenClassification` will apply dynamic padding for us (by padding to the maximum length of # the samples passed). When using mixed precision, we add `pad_to_multiple_of=8` to pad all tensors to multiple # of 8s, which will enable the use of Tensor Cores on NVIDIA hardware with compute capability >= 7.5 (Volta). data_collator = DataCollatorForTokenClassification( tokenizer, pad_to_multiple_of=(8 if accelerator.use_fp16 else None) ) train_dataloader = DataLoader( train_dataset, shuffle=True, collate_fn=data_collator, batch_size=args.per_device_train_batch_size ) eval_dataloader = DataLoader(eval_dataset, collate_fn=data_collator, batch_size=args.per_device_eval_batch_size) # Optimizer # Split weights in two groups, one with weight decay and the other not. no_decay = ["bias", "LayerNorm.weight"] optimizer_grouped_parameters = [ { "params": [p for n, p in model.named_parameters() if not any(nd in n for nd in no_decay)], "weight_decay": args.weight_decay, }, { "params": [p for n, p in model.named_parameters() if any(nd in n for nd in no_decay)], "weight_decay": 0.0, }, ] optimizer = torch.optim.AdamW(optimizer_grouped_parameters, lr=args.learning_rate) # Use the device given by the `accelerator` object. device = accelerator.device model.to(device) # Scheduler and math around the number of training steps. overrode_max_train_steps = False num_update_steps_per_epoch = math.ceil(len(train_dataloader) / args.gradient_accumulation_steps) if args.max_train_steps is None: args.max_train_steps = args.num_train_epochs * num_update_steps_per_epoch overrode_max_train_steps = True lr_scheduler = get_scheduler( name=args.lr_scheduler_type, optimizer=optimizer, num_warmup_steps=args.num_warmup_steps, num_training_steps=args.max_train_steps, ) # Prepare everything with our `accelerator`. model, optimizer, train_dataloader, eval_dataloader, lr_scheduler = accelerator.prepare( model, optimizer, train_dataloader, eval_dataloader, lr_scheduler ) # We need to recalculate our total training steps as the size of the training dataloader may have changed. num_update_steps_per_epoch = math.ceil(len(train_dataloader) / args.gradient_accumulation_steps) if overrode_max_train_steps: args.max_train_steps = args.num_train_epochs * num_update_steps_per_epoch # Afterwards we recalculate our number of training epochs args.num_train_epochs = math.ceil(args.max_train_steps / num_update_steps_per_epoch) # Figure out how many steps we should save the Accelerator states checkpointing_steps = args.checkpointing_steps if checkpointing_steps is not None and checkpointing_steps.isdigit(): checkpointing_steps = int(checkpointing_steps) # We need to initialize the trackers we use, and also store our configuration. # The trackers initializes automatically on the main process. if args.with_tracking: experiment_config = vars(args) # TensorBoard cannot log Enums, need the raw value experiment_config["lr_scheduler_type"] = experiment_config["lr_scheduler_type"].value accelerator.init_trackers("ner_no_trainer", experiment_config) # Metrics metric = evaluate.load("seqeval") def get_labels(predictions, references): # Transform predictions and references tensos to numpy arrays if device.type == "cpu": y_pred = predictions.detach().clone().numpy() y_true = references.detach().clone().numpy() else: y_pred = predictions.detach().cpu().clone().numpy() y_true = references.detach().cpu().clone().numpy() # Remove ignored index (special tokens) true_predictions = [ [label_list[p] for (p, l) in zip(pred, gold_label) if l != -100] for pred, gold_label in zip(y_pred, y_true) ] true_labels = [ [label_list[l] for (p, l) in zip(pred, gold_label) if l != -100] for pred, gold_label in zip(y_pred, y_true) ] return true_predictions, true_labels def compute_metrics(): results = metric.compute() if args.return_entity_level_metrics: # Unpack nested dictionaries final_results = {} for key, value in results.items(): if isinstance(value, dict): for n, v in value.items(): final_results[f"{key}_{n}"] = v else: final_results[key] = value return final_results else: return { "precision": results["overall_precision"], "recall": results["overall_recall"], "f1": results["overall_f1"], "accuracy": results["overall_accuracy"], } # Train! total_batch_size = args.per_device_train_batch_size * accelerator.num_processes * args.gradient_accumulation_steps logger.info("***** Running training *****") logger.info(f" Num examples = {len(train_dataset)}") logger.info(f" Num Epochs = {args.num_train_epochs}") logger.info(f" Instantaneous batch size per device = {args.per_device_train_batch_size}") logger.info(f" Total train batch size (w. parallel, distributed & accumulation) = {total_batch_size}") logger.info(f" Gradient Accumulation steps = {args.gradient_accumulation_steps}") logger.info(f" Total optimization steps = {args.max_train_steps}") # Only show the progress bar once on each machine. progress_bar = tqdm(range(args.max_train_steps), disable=not accelerator.is_local_main_process) completed_steps = 0 starting_epoch = 0 # Potentially load in the weights and states from a previous save if args.resume_from_checkpoint: if args.resume_from_checkpoint is not None or args.resume_from_checkpoint != "": accelerator.print(f"Resumed from checkpoint: {args.resume_from_checkpoint}") accelerator.load_state(args.resume_from_checkpoint) path = os.path.basename(args.resume_from_checkpoint) else: # Get the most recent checkpoint dirs = [f.name for f in os.scandir(os.getcwd()) if f.is_dir()] dirs.sort(key=os.path.getctime) path = dirs[-1] # Sorts folders by date modified, most recent checkpoint is the last # Extract `epoch_{i}` or `step_{i}` training_difference = os.path.splitext(path)[0] if "epoch" in training_difference: starting_epoch = int(training_difference.replace("epoch_", "")) + 1 resume_step = None else: resume_step = int(training_difference.replace("step_", "")) starting_epoch = resume_step // len(train_dataloader) resume_step -= starting_epoch * len(train_dataloader) for epoch in range(starting_epoch, args.num_train_epochs): model.train() if args.with_tracking: total_loss = 0 for step, batch in enumerate(train_dataloader): # We need to skip steps until we reach the resumed step if args.resume_from_checkpoint and epoch == starting_epoch: if resume_step is not None and step < resume_step: completed_steps += 1 continue outputs = model(**batch) loss = outputs.loss # We keep track of the loss at each epoch if args.with_tracking: total_loss += loss.detach().float() loss = loss / args.gradient_accumulation_steps accelerator.backward(loss) if step % args.gradient_accumulation_steps == 0 or step == len(train_dataloader) - 1: optimizer.step() lr_scheduler.step() optimizer.zero_grad() progress_bar.update(1) completed_steps += 1 if isinstance(checkpointing_steps, int): if completed_steps % checkpointing_steps == 0: output_dir = f"step_{completed_steps }" if args.output_dir is not None: output_dir = os.path.join(args.output_dir, output_dir) accelerator.save_state(output_dir) if completed_steps >= args.max_train_steps: break model.eval() samples_seen = 0 for step, batch in enumerate(eval_dataloader): with torch.no_grad(): outputs = model(**batch) predictions = outputs.logits.argmax(dim=-1) labels = batch["labels"] if not args.pad_to_max_length: # necessary to pad predictions and labels for being gathered predictions = accelerator.pad_across_processes(predictions, dim=1, pad_index=-100) labels = accelerator.pad_across_processes(labels, dim=1, pad_index=-100) predictions_gathered, labels_gathered = accelerator.gather((predictions, labels)) # If we are in a multiprocess environment, the last batch has duplicates if accelerator.num_processes > 1: if step == len(eval_dataloader) - 1: predictions_gathered = predictions_gathered[: len(eval_dataloader.dataset) - samples_seen] labels_gathered = labels_gathered[: len(eval_dataloader.dataset) - samples_seen] else: samples_seen += labels_gathered.shape[0] preds, refs = get_labels(predictions_gathered, labels_gathered) metric.add_batch( predictions=preds, references=refs, ) # predictions and preferences are expected to be a nested list of labels, not label_ids eval_metric = compute_metrics() accelerator.print(f"epoch {epoch}:", eval_metric) if args.with_tracking: accelerator.log( { "seqeval": eval_metric, "train_loss": total_loss.item() / len(train_dataloader), "epoch": epoch, "step": completed_steps, }, step=completed_steps, ) if args.push_to_hub and epoch < args.num_train_epochs - 1: accelerator.wait_for_everyone() unwrapped_model = accelerator.unwrap_model(model) unwrapped_model.save_pretrained( args.output_dir, is_main_process=accelerator.is_main_process, save_function=accelerator.save ) if accelerator.is_main_process: tokenizer.save_pretrained(args.output_dir) repo.push_to_hub( commit_message=f"Training in progress epoch {epoch}", blocking=False, auto_lfs_prune=True ) if args.checkpointing_steps == "epoch": output_dir = f"epoch_{epoch}" if args.output_dir is not None: output_dir = os.path.join(args.output_dir, output_dir) accelerator.save_state(output_dir) if args.with_tracking: accelerator.end_training() if args.output_dir is not None: accelerator.wait_for_everyone() unwrapped_model = accelerator.unwrap_model(model) unwrapped_model.save_pretrained( args.output_dir, is_main_process=accelerator.is_main_process, save_function=accelerator.save ) if accelerator.is_main_process: tokenizer.save_pretrained(args.output_dir) if args.push_to_hub: repo.push_to_hub(commit_message="End of training", auto_lfs_prune=True) all_results = {f"eval_{k}": v for k, v in eval_metric.items()} if args.with_tracking: all_results.update({"train_loss": total_loss.item() / len(train_dataloader)}) with open(os.path.join(args.output_dir, "all_results.json"), "w") as f: json.dump(all_results, f) if __name__ == "__main__": main()